This video explains how to check the ground insulation of an AC motor winding using the insulation resistance (IR) test.

This video shows how to adjust the brush neutral position of a DC machine to prevent sparking at the brushes at full load.

This video walks through the steps to adjust and set end play on a typical vertical hollow shaft pump motor.

This video explains how to measure the diameter of a bearing journal accurately to within five hundred-thousandths of an inch or one-thousandth of a millimeter.

This video shows one step in collecting motor winding data: how to measure magnet wire.

This video shows the proper way to lubricate the deep-groove, open ball bearing before assembling a horizontal induction motor.

This video will walk you through how to check the relative polarity of DC machine interpoles and the armature and correct it if necessary using a simple interpole polarity test.

This video demonstrates the correct way to use an induction bearing heater to install an interference fit ball bearing on a machine shaft.

This video shows the proper procedure for seating carbon brushes in a DC machine.